Amazon Buys Shelfari and its Innovative UI — Shelfari, a small book sharing startup, was acquired today by Amazon (an existing investor in the company). Shelfari is known for its innovative user interface, something which we've discussed a few times on ReadWriteWeb.

No More Speculation - This is the G1 from T-Mobile — It's time to put this rumor to bed once and for all. We've seen a handful of mockups online these last few weeks guessing as to what the first Android handset is going to look like. We even saw a video that divided many fanboys, including us AndroidGuys.

At a loss for words? — Have you ever been stumped in finding the right words to search for? Back when I was planning my wedding, I had a list of wedding songs in mind, but the problem was that I couldn't remember any of the artist names or song titles. So I started typing …

Facebook cuts off Scrabulous after legal complaint — NEW YORK - A highly popular Scrabble clone already pulled from Facebook in the United States and Canada continued its tumble over the weekend as the online hangout extended its block of the game throughout most of the world.

For Andreessen and Horowitz, it's gotta be Qik — Netscape wunderkind Marc Andreessen and longtime business partner Ben Horowitz are teaming up again, this time to invest in Qik, which lets users stream live video from their mobile phone. — Andreessen, co-founder and chairman …

College Sophomore Sells His iPhone App To Flixster — Movie focused social network Flixster acquired a popular iPhone application called Movies.app (iTunes link) last week, and has re-released the application this evening. As far as we know, this is the first acquisition of an iPhone app.

Rumor: Apple Event for September 9th — The rumored iPod Zune, captured in grainy black and white, of course — Kevin Rose is teasing Apple fans again. Just a day after blogging about an Apple Event for new iPod nanos, a less expensive iPod touch, and iTunes 8, he has now set a date.

Apple pulls free Tetris clone from iTunes — Apple's legal machine has turned its sights on an independent developer, a college student responsible for an iPhone Tetris clone called Tris, who is conceding to the company's removal of the game from the App Store.

Gears for Safari — Google posted a link to a beta version of Gears for Safari: http://dl.google.com/gears/current/ gears-osx-opt.dmg. The minimum system requirements are: Safari 3.1.1 on Tiger 10.4.11 or Leopard 10.5.3, although Gears is likely to support other WebKit-based browsers in the future.

XIHA Life: A Social Network For Multilinguists — XIHA Life, a site that calls itself “the world's first truly multilingual social network”, has launched in the United States. The site is geared towards multilingual users who feel constrained by the single language networks offered by sites like Facebook …

Business Uses for Twitter — This past week, Chris Brogan wrote a very concise and useful post on how to use Twitter for business. — In it, you will find ideas on creating an account, topics to consider for the medium, a check on Twittetiquette, and an assessment of both the minuses and the pluses of having a Twitter presence.

VoIP Goes Mobile — Gorilla Mobile and other carriers are allowing cell-phone users to make calls for virtually free using Internet technology — Scott Goldman uses his mobile phone to call friends and business contacts all over the world, from Britain to Australia.